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industrial mechanics

hydraulic prinicples

QuestionAnswer
torque twist and rotational force of a shaft
break away torque initial energy to get a non-moving load to turn
starting torque energy to get a load turning after it has been broken from a stand still
running torque energy that a motor develops to keep a load turning
velocity a fluid travels a certain distance in a specified time
acceleration increase in speed
flow rate volume of fluid flow per minute
mechanical advantage ratio of the output force to the input force of a device
Pascal's Law pressure exerted on an enclosed fluid that is transmitted undiminished, in every direction
energy ability to do work
static energy ability of a fluid to do work
total energy measure of a fluids ability to do work
kinetic energy energy of motion
heat energy ability to do work using heat stored
pressure energy ability to do work through the pressure of a fluid
efficiency a measure of a component or system
power rate of doing work
work energy used when a force is used over a distance
hydraulics branch of science that deals with fluids at rest or moving
hydrostatics study of liquids at rest and forces acting on them
equilibrium balance of all conditions
hydrodynamics study of a solid body and the forces on them exerted by a liquid
non-positive displacement pump a pump that is not sealed between its inlet and outlet
centrifugal force outward force produced as an object rotates
fluid substance that tends to flow
liquid a fluid that can flow easily and take any shape
gas a fluid that has no independent shape or volume
force an interaction that tends to change the state of rest
atmospheric pressure force applied by the weight of the atmosphere
mercury barometer an instrument that uses mercury to measure atmospheric pressure
vacuum pressure lower than atmospheric pressure
gauge pressure pressure above atmospheric pressure
absolute pressure pressure above a perfect vacuum
area of force and pressure all the basis of a hydraulic system
head the difference in the level of a fluid
head pressure pressure created by a fluid stacked on top of itself
static head pressure pressure created by the weight of a fluid
dynamic head head fluid in motion
dynamic head pressure pressure and velocity produced by a fluid in motion
lift height at which atmospheric pressure forces a fluid above the supply sources elevation
static lift height to which atmospheric pressure causes a column of fluid to rise above its own supply to restore equilibrium
dynamic lift lift of fluid in motion
total column fluid head + lift
static total column static head + static lift
fluid flow movement of fluid
pressure drop pressure differential between upstream and downstream
viscosity how fast a fluid flows
Sabolt Viscometer an instrument to measure viscosity
viscosity index a scale used to show the magnitude of viscosity
slippage internal leakage of fluid
gear pump non-positive displacement pump
displacement volume of fluid moved during each revolution
positive displacement pump a pump that delivers a definite volume of fluid
volumetric efficiency percent of actual pump output
volume size of a 3 dimensional object
capacity ability to hold or contain something
Created by: amygilstrap7